Patentable/Patents/US-10401546
US-10401546

Optical component for light coupling

PublishedSeptember 3, 2019
Assigneenot available in USPTO data we have
Inventorsnot available in USPTO data we have
Technical Abstract

The invention provides an optical component for transferring light between an opto-electronic device and a light transmissive panel which defines two opposing boundary surfaces, the optical component having a shape formed from a geometric shape having a base surface, a lateral front surface and an axis, wherein the geometric shape is truncated by a plane intersecting the front surface, the base surface, and the axis, forming a back surface. The base surface is configured for mounting the optical component to the light transmissive panel and for coupling light into the light transmissive panel. The front surface being configured for coupling light from the front surface, through the base surface, and into the light transmissive panel for the light to propagate by total internal reflection within the light transmissive panel.

Patent Claims
13 claims

Legal claims defining the scope of protection, as filed with the USPTO.

1

1. An optical component for transferring light between an opto-electronic device and a light transmissive panel which defines two opposing boundary surfaces, the optical component having a shape corresponding to a geometric shape having a base surface, a lateral front surface and an axis, wherein the geometric shape is truncated by a plane intersecting the front surface, the base surface, and the axis, forming a back surface: the base surface being configured for mounting the optical component to the light transmissive panel and for coupling light into the light transmissive panel; the front surface being configured for coupling light from the front surface, through the base surface, and into the light transmissive panel for the light to propagate by total internal reflection within the light transmissive panel, wherein the base surface comprises an angular filter configured to filter ambient light incident towards the base surface.

2

2. The optical component according to claim 1 wherein the geometric shape is a right circular cone.

3

3. The optical component according to claim 1 wherein the geometric shape is a cylinder.

4

4. The optical component according to claim 1 , wherein the angular filter is configured to reflect light incident at an angle 50° relative to a normal of the base surface.

5

5. The optical component according to claim 1 wherein an angle β between the base surface and the back surface is between 20° and 60°.

6

6. The optical component according to claim 1 wherein the back surface comprises a reflective coating.

7

7. The optical component according to claim 6 wherein the reflective coating on the back surface comprises a vacuum deposited layer of aluminum, silver, gold, or copper.

8

8. A system for transferring light between an opto-electronic device and a light transmissive panel which defines two opposing boundary surfaces, the system comprising: a plurality of partially overlapping optical components according to claim 1 , wherein the plurality of partially overlapping optical components form a continuous element arranged in at least one row with a predetermined peak to peak spacing between peaks of neighboring optical components of a the at least one row, wherein a peak is a point on the optical component furthest from the base surface of the optical component.

9

9. The system according to claim 8 , wherein the peak to peak spacing is the same for all optical components of the at least one row of optical components.

10

10. The system according to claim 8 , wherein the peak to peak spacing varies for optical components of the at least one row of optical components.

11

11. The system according to claim 8 , comprising a plurality of rows of optical components, wherein the peak to peak spacing between the peaks of optical components of separate rows is larger than the peak to peak spacing of neighboring optical components of the same row.

12

12. The system according to claim 11 , wherein the each row is displaced relative to neighboring rows by half of the peak to peak spacing of optical components in the row.

13

13. The system according to claim 11 , wherein random noise is used to determine the peak to peak spacing between the peaks of optical components of separate rows.

Classification Codes (CPC)

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Patent Metadata

Filing Date

February 29, 2016

Publication Date

September 3, 2019

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Cite as: Patentable. “Optical component for light coupling” (US-10401546). https://patentable.app/patents/US-10401546

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